Finding the Fourth Proportional to 5,120,518.96, 7,066,530.86 and 2,945,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120,518.96 : 7,066,530.86 = 2,945,062.72 : x
2. Step 2: Convert to fraction form
   5,120,518.96/7,066,530.86 = 2,945,062.72/x
3. Step 3: Cross multiply
   5,120,518.96x = 7,066,530.86 × 2,945,062.72
4. Step 4: Simplify right side
   5,120,518.96x = 20,811,376,595,515.54
5. Step 5: Solve for x
   x = 20,811,376,595,515.54/5,120,518.96
6. Step 6: Final answer
   x = 4,064,310.04